Gerald R. Delrio, M.D.
Pulmonary Disease Physician · Pittsburg, CA
Gerald R. Delrio, M.D. is a pulmonary disease physician with a practice address in Pittsburg, California, and NPI 1568417889, issued on May 24, 2006. Check the license (California G32797, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Gerald R. Delrio
- Credential
- M.D.
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License number
- G32797 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2220 Gladstone Dr, Pittsburg, CA 94565
- Phone
- (925) 432-3318
- Enumerated
- May 24, 2006
- Record last updated
- May 15, 2026
- Fax
- (432) 432-4590
- Medicaid ID
- 00G627970 CA
- Medicare enrollment
- Enrolled (PECOS I20070205000692); accepts Medicare assignment
- Medical or professional school
- University Of California, Davis School Of Medicine, 1975
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 1,443 in California → Look up another NPI →
Also registered at 2220 Gladstone Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christine Cave, NPAdult Health Nurse Practitioner1144743386
- Siamak Elyasi, M.D.Family Medicine Physician1467407809
- John Gallo, DOInternal Medicine Physician1558446229
- Henry Gong, M.D.Interventional Cardiology Physician1215982855
- Hsien-Wen Hsu, M.D.Pulmonary Disease Physician1548209646
- Krishna Moorthy, M.D.Cardiovascular Disease Physician1811933724
Verify Gerald R. Delrio in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G32797Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
56% fewer Medicare Part D claims than the average pulmonary disease physician in 2024
634 Medicare Part D claims for 260 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. 26 claims were for opioids.
Most prescribed
- Omeprazole33 claims
- Amlodipine Besylate26 claims
- Losartan Potassium26 claims
- Atorvastatin Calcium25 claims
- Albuterol Sulfate Hfa22 claims
- Naproxen22 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Pittsburg-Antioch Medical Group A Professional CorporationPittsburg, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gerald R. Delrio among 1,443 pulmonary disease physician records in California
Gerald R. Delrio, M.D. is one of 1,443 pulmonary disease physician records with a practice address in California. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 51% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated1975 · median 2002 among the 1,061 with a school on file
- Record last updated2026 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pulmonary Disease Physician providers in California
There are 1,443 pulmonary disease physician records in California.
All 1,443 in California → Every provider in Pittsburg → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Jose Basora, M.D.Pittsburg, CA 945651669616066
- Melody Brewer, MDPittsburg, CA 945651700050770
- Hsien-Wen Hsu, M.D.Pittsburg, CA 945651548209646
- Mostafa Shalaby, M.DPittsburg, CA 945651528351210
- Pramod Krishnamurthy, MDDublin, CA 945681902067085
- Raafat Zamary, MDDublin, CA 945681669459566
- Francis Healy, MDNapa, CA 945581477534881
- Paul Marks, MDSaint Helena, CA 945741669454310
Common questions
What is Gerald R. Delrio, M.D.'s NPI number?
Gerald R. Delrio, M.D.'s National Provider Identifier (NPI) is 1568417889, issued on May 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gerald R. Delrio, M.D. located?
The NPPES record lists a practice address at 2220 Gladstone Dr, Pittsburg, CA, 94565. Phone: (925) 432-3318. Providers update this record themselves, so call before visiting.
How can I verify Gerald R. Delrio, M.D.'s license?
NPPES lists California license number G32797, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gerald R. Delrio, M.D. prescribe under Medicare Part D?
In 2024, Gerald R. Delrio, M.D. had 634 Medicare Part D claims for 260 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.